PERFORATION SYSTEM SEQUENTIAL INITIATION DEVICE
FIELD: oil and gas industry.SUBSTANCE: invention is related to oil and gas simulation systems and may be used at perforation of wells with shape-charged perforators. The invention comprises a body, electric conductor, piston, cartridge with detonating cord placed inside it, detonation transmitting u...
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Format: | Patent |
Sprache: | eng ; rus |
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